Welcome to a new tutorial series where I'll be taking you for a spin around the command line so you can go from newbie to proficient very very quickly. The command line often scares a lot of people, and in the past it was virtually required to use a lot of things in Unix-based operating systems (like Linux).

If you're running Linux and your distribution hasn't yet updated your software packages to upgrade you to Firefox 2.0, here's a really quick tutorial on how to upgrade yourself.

Head over to getfirefox.com and grab the latest Linux version for your language. It should be already selected on the download button, but if not, head to this page and choose the right version for you ...

This post follows up from Part 1, so read that first if you haven't already!

Now we have a nice new shiny Ubuntu disc booted and running. You might notice that at the moment Ubuntu feels very slow to respond and takes an age to boot. Don't worry, this is normal and it's not a problem with Linux. Remember, you're running the whole operating system off ...